original description(ofPinnularia didyma Ehrenberg, 1844)Ehrenberg, C. G. (1844). Mittheilung über 2 neue Lager von Gebirgsmassen aus Infusorien als Meeres-Absatz in Nord-Amerika und eine Vergleichung derselben mit den organischen Kreide-Gebilden in Europa und Afrika. <em>Bericht über die zur Bekanntmachung geeigneten Verhandlungen der Königlich-Preussischen Akademie der Wissenschaften zu Berlin.</em> 1844: 57-97., available online athttps://www.biodiversitylibrary.org/page/11052757 page(s): p. 85 [details]
original description(ofPinnularia didyma Ehrenberg, 1844)Ehrenberg, C.G. (1840). Über noch zahlreich jetzt lebende Thierarten der Kreidebildung und den Organismus der Polythalamien. Berlin 1840., 94 pp., 4 pls. page(s): p. 75 (155) [details]
basis of recordHällfors, G. (2004). Checklist of Baltic Sea Phytoplankton Species (including some heterotrophic protistan groups). <em>Baltic Sea Environment Proceedings.</em> No. 95: 210 pp., available online athttp://helcom.fi/Lists/Publications/BSEP95.pdf[details] Available for editors [request]
additional sourceKrayesky, D. M.; Meave, D. C.; Zamudio, E.; Norris, E.; Fredericq, S.; Tunnell, J. (2009). Diatoms (Bacillariophyta) of the Gulf of Mexico. <em>Gulf of Mexico origin, waters, and biota.</em> 1: 155-186.[details] Available for editors [request]
additional sourceHartley, B., Ross, R. & Williams, D.M. (1986). A check-list of the freshwater, brackish and marine diatoms of the British Isles and adjoining coastal waters. <em>Journal of the Marine Biological Association of the United Kingdom.</em> 66(3): 531-610., available online athttps://doi.org/10.1017/s0025315400042235[details] Available for editors [request]
source of synonymyHällfors, G. (2004). Checklist of Baltic Sea Phytoplankton Species (including some heterotrophic protistan groups). <em>Baltic Sea Environment Proceedings.</em> No. 95: 210 pp., available online athttp://helcom.fi/Lists/Publications/BSEP95.pdf[details] Available for editors [request]
new combination referenceKützing, F.T. (1844). Die Kieselschaligen. Bacillarien oder Diatomeen. <em>Nordhausen.</em> 152 pp., 30 pls., available online athttps://doi.org/10.5962/bhl.title.64360 page(s): p. 100 [details]
Unreviewed
Identification Refferred to as Navicula (Pinnularia) didyma Ehrenberg, 1841 [details]